keen

我的：

@echo off
set str=!好你，nc.emohtab.sbb
:loop
call, set /p=%%str:~-1%%<nul
set str=%str:~0,-1%
if "%str%"=="" goto end
goto loop
:end
pause>nulCOPY

keen

再来：

@echo off
set str=!好你，nc.emohtab.sbb
for /l %%i in (17 -1 0) do call, set /p=%%str:~%%i,1%%<nul
pause>nulCOPY

keen

输入任意字符：

@echo off
set /p a=please input:
set b=%a%
echo.
set /p=你输入的是:<nul
:loop
call, set /p=%%a:~0,1%%<nul
set a=%a:~1%
if "%a%"=="" goto zh
set /a n+=1
goto loop
:zh
echo.
echo.
set /p=倒序后是：<nul
for /l %%i in (%n% -1 0) do call, set /p=%%b:~%%i,1%%<nul
pause>nulCOPY

keen

任意字符串：

@echo off
del a.txt>nul 2>nul
set /p a=please iput:
echo %a%>a.txt
echo.>>a.txt
for /f "tokens=1 delims=:" %%i in ('findstr /o .* a.txt') do set /a l=%%i-2
for /l %%k in (%l% -1 0) do call, set /p=%%a:~%%k,1%%<nul
del a.txt>nul 2>nul
pause>nulCOPY

[ 本帖最后由 keen 于 2009-3-29 15:50 编辑 ]